Reducing noise in radio telescope systems
Reducing noise in a 1420 MHz radio telescope setup (i.e., for detecting the hydrogen line) involves addressing both internal and
Read moreastronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)
Astronomy observatory in Staffordshire, England.
astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)
Astronomy observatory in Staffordshire, England.
Can 3dB amplifier compensate for 3dB loss in filter at 1420MHz?
If I use a filter at 1420 MHz that causes 3 dB loss and in amplifier beforehand that gives 3dB
Read moreUsing long Yagi antenna tuned for 1430 MHz for 1420 MHz
A long Yagi antenna tuned for 1430 MHz can still work at 1420 MHz, but with reduced efficiency and some detuning effects.
Read moreTV satellite frequencies in the USA
TV satellite frequencies in the USA vary depending on the satellite, provider, and whether the service is free-to-air (FTA) or
Read moreBeamwidth, Half-Power Beamwidth, Field of View
The amount of sky covered by a radio telescope is typically referred to as its field of view (FoV). Key
Read moreResults LRO-H2 Mapping exercise 11/4/2025-1/6/2025 (processed 1/6/2025)
These are the results so far of my mapping exercise with the 1.5m parabolic solar cooker dish (LRO-H2): Powerpoint Presentation
Read moreLRO-H1 Map 2 (cf Wikipedia H-Line Map July 2024 proc 260425@2200) – labelled
This version of the map has been relabelled, due to errors in the previous labelling system.
Read moreLinux Ubuntu for Radio Astronomy: Script to install radio astronomy packages in Ubuntu
https://www.astronomy.me.uk/wp-content/uploads/2025/05/astro-radio-repo.zip https://www.astronomy.me.uk/wp-content/uploads/2025/05/astro-radio-setup.zip
Read moreNight Sky Talk for RAG 30/5/2025
https://www.astronomy.me.uk/wp-content/uploads/2025/05/Night-Sky-Talk-RAG-300525-FINAL-250525@1500.pptx https://www.astronomy.me.uk/wp-content/uploads/2025/05/Night-Sky-Talk-RAG-300525-FINAL-250525@1500.pdf
Read moreCheapest way to make a new waveguide monopole
The waveguide in the centre of antennae sich as cantennae are made of a copper quarter wave monopole. The cheapest
Read more